# OpenAI: GPT-5.6 Sol: AI model fact sheet

- **Provider:** openai
- **Released:** 2026-07-09
- **Context window:** 1,050,000 tokens
- **API pricing:** $5.00 / 1M input, $30.00 / 1M output
- **OpenRouter ID:** openai/gpt-5.6-sol
- **Capabilities:** conversation, reasoning, code-generation, analysis, planning, agentic-tool-use

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series, suited for complex reasoning, coding, and agentic workflows. It is particularly strong at command-line and multi-step coding tasks and long-horizon problem solving.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/gpt-5.6-sol